All retailers and sellers who sell prepaid wireless telecommunication services must collect a prepaid wireless 911 charge, a telecommunications relay service (TRS) charge, and a prepaid wireless 988 charge. The 911 and 988 charges are based on the number of transactions, and the TRS charge is based on the dollar amount of the telecommunication services sold. Lifeline-only providers who offer free prepaid lifeline services must pay the 911 and 988 charge on the number of transactions sold.